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Sapphire
Sapphire

Dumortierite
Dumortierite



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Sapphire
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Dumortierite

Sapphire and Dumortierite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.033.26-3.41
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
None, but may exhibit parting
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
97-8.5
Amber
2 10
1.8 Chemical Composition
Al 2 O 3
AlAl6O3BSi3O18

Sapphire and Dumortierite Chemical Formula

While comparing Sapphire and Dumortierite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sapphire and Dumortierite chemical formula.

  • Chemical formula of Sapphire- Al 2 O 3
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Sapphire and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.